html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, font, img, ins, kbd, q, s, samp, small, strike,
strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody,
tfoot, thead, tr, th, td ,textarea,input { margin:0; padding:0; box-sizing: border-box }
address,cite,dfn,em,var, i {font-style:normal;}
body {font-size: 16px; line-height: 1.5; font-family:'Microsoft Yahei','simsun','arial','tahoma';  color: #333; }
table { border-collapse:collapse; border-spacing:0; }
h1, h2, h3, h4, h5, h6, th { font-size: 100%; font-weight: normal; }
button,input,select,textarea{font-size:100%;}
fieldset,img{border:0;}

img {
    display: block;
    width: 100%;
    line-height: 0;
    -webkit-touch-callout: none;
}
a,
a:active,
a:focus,
a:hover,
a:visited {text-decoration: none}
input[type=password],
input[type=text],
textarea {
    resize: none;
    outline: 0;
    -webkit-appearance: none;
    white-space: pre-wrap;
    word-wrap: break-word;
    background: #fff
}
ul, ol { list-style: none; }
:focus{ outline:none;}
.clearfix{ clear: both; content: ""; display: block; overflow: hidden }
.clear{clear: both;}
.fl{ float: left; }
.fr{float: right;}
.index-box {
    display: flex;
    width: 100%;
    min-height: 100vh;
    background-color: #f8f8f8;
}
.index-box .main-box{
    flex: 1;
}
.main-content{
    position: relative;
    height:calc(100vh - 100px);
    padding: 20px;
}
.white-box{
    background-color: white;
}
.wid-70{
    width: 70px;
}
.pa-20{
    padding: 20px;
}
.pa-b-20{
    padding-bottom: 20px;
}
.pa-l-r-20{
    padding-left:20px ;
    padding-right: 20px;
}
.pa-t-20{
    padding-top: 20px;
}
.layui-form-item.mar-b-0{
    margin-bottom: 0;
}

.btn{
    width: 70px;
    height: 32px;
    border: 0 ;
    border-radius: 4px;
    font-size: 12px;
    outline: 0;
}
.dark-btn {
    background-color: rgb(75, 160, 255);
    color: #fff;
}
.lightBlue-btn{
    background-color: #e3f0ff;
    color: #4ba0ff;
}